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Impedance modeling of modular multilevel converter based on multi-harmonic linearization
编号：101 访问权限：仅限参会人 更新：2020-10-15 18:45:53 浏览：261次 口头报告

报告开始：2020年11月02日 11:00（Asia/Shanghai）

报告时间：15min

所在会场：[B] Power Electronics Technology and Application [B2] Session 13 and Session 18

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摘要
Modular Multilevel Converter (MMC) has the advantages of modular design and low AC voltage distortion. Recent studies reported harmonic instability problems in MMC-connected grids. Impedance-based stability criterion has proven to be effective for analyzing harmonic instability, which requires the impedance model of MMC. Based on the review of converter modeling methods, this paper establishes an impedance model of MMC using multi-harmonic linearization method. The modeling focus on the positive sequence. The on-resistance of MMC submodule switches is considered in the modeling of power stage of MMC. The control modeling comprises the modeling of five controls including phase current control, circulating current control, phase-locked loop, active power control as well as reactive power control. Finally, the results obtained by PSCAD simulation confirms that the impedance model is correct in an excellent accuracy.
 
关键词
Multi-Harmonic linearization,Impedance modeling,Modular multilevel converter,Harmonic
报告人
Chang Xiong
School of Electronic Engineering, Xi'an Jiaotong University

Chenbo Xu
Institute of Applied Electronics, China Academy of Engineering Physics；School of Electronic Engineering, Xi'an Jiaotong University

稿件作者
Chang Xiong School of Electronic Engineering, Xi'an Jiaotong University
Zhiyuan Tan Institute of Applied Electronics, China Academy of Engineering Physics
Chenbo Xu Institute of Applied Electronics, China Academy of Engineering Physics；School of Electronic Engineering, Xi'an Jiaotong University
Shaoqi Yu School of Electronic Engineering, Xi'an Jiaotong University
Mengke Lu State Grid Zhejiang Electric Power Co., Ltd.
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重要日期

  • 会议日期

    11月02日

    2020

    至

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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